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Finding the Fourth Proportional to 100,393.92, 150,515.97 and 60,403.53

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Solution

The fourth proportional to 100,393.92, 150,515.97 and 60,403.53 is: 90,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,393.92 : 150,515.97 = 60,403.53 : x
  2. Step 2: Convert to fraction form
    100,393.92/150,515.97 = 60,403.53/x
  3. Step 3: Cross multiply
    100,393.92x = 150,515.97 × 60,403.53
  4. Step 4: Simplify right side
    100,393.92x = 9,091,695,909.37
  5. Step 5: Solve for x
    x = 9,091,695,909.37/100,393.92
  6. Step 6: Final answer
    x = 90,560.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.